Technology explained
Understanding the technology behind Filtronic’s growth
What is RF?
Radio Frequency (RF)
Every wireless communication relies on radio frequency signals. Whether connecting a mobile phone, satellite, aircraft or defence system, RF technology enables information to travel wirelessly through the air.
Filtronic designs and manufactures highly specialised RF components that ensure these signals are transmitted efficiently, accurately and with minimal loss.
Why this matters to investors
As communications networks become faster and operate at higher frequencies, the performance requirements of RF hardware become increasingly demanding.
Customers require higher performance, greater efficiency and increased reliability – areas where specialist engineering expertise becomes a competitive advantage.
What is mmWave?
Millimetre Wave (mmWave)
Millimetre wave refers to very high-frequency radio signals that can transmit significantly more data than conventional wireless frequencies. These frequencies are increasingly used in:
- 5G and future 6G networks
- Satellite communications
- Defence radar systems
- High-capacity data links
- Space applications
While mmWave enables extremely fast communications, it also presents major engineering challenges because signals are more easily weakened by distance and atmospheric conditions.
Filtronic develops products that maximise signal quality and power at these frequencies.
Why this matters to investors
Demand for higher-capacity communications continues to grow globally.
As more networks adopt mmWave technologies, the requirement for specialist RF hardware increases, expanding Filtronic’s addressable market.
Filtronic operates at the very high frequency, where the complexity of design and manufacture create significant barriers to entry.
Why performance matters
In many applications – including defence, aerospace and satellite communications – even small improvements in RF performance can deliver significant operational benefits to customers.
+ Higher data speeds
+ Greater communication range
+ Lower operating costs
+ Better energy efficiency
+ Increased network reliability
+ Lower latency
What is GaN?
Gallium Nitride (GaN)
Gallium Nitride (GaN) is an advanced semiconductor material that can generate significantly higher power than many traditional technologies.
Compared with conventional semiconductor materials, GaN devices can:
- Deliver higher output power
- Now operate at increasingly higher frequencies
- Improve energy efficiency
- Reduce system size and weight
These characteristics make GaN particularly valuable in space, defence, and high-performance communications.
Why this matters to investors
Many next-generation communications and defence systems require more power and greater efficiency than traditional technologies can provide.
GaN is becoming an increasingly important enabling technology, creating long-term demand for companies with expertise in designing high-performance RF systems.
Space communications
Connecting Earth and Space
Modern satellite constellations require ground infrastructure capable of transmitting and receiving enormous amounts of data quickly and reliably.
Filtronic supplies critical RF systems that help enable communications between satellites and ground stations.
These technologies support high throughput applications including:
- Broadband connectivity
- Earth observation
- Government communications
- Defence
- Scientific missions
As the number of satellites in orbit continues to increase, demand for high-performance ground infrastructure is expected to grow.
Why this matters to investors
The commercial space sector is expanding rapidly. Growth in low Earth orbit (LEO) satellite constellations and increasing government investment in space communications are creating attractive long-term opportunities for specialist RF technology providers.
From technology to commercial value
For investors, Filtronic’s technology is important because it addresses markets with strong long-term structural growth. Our expertise in high-frequency RF engineering enables us to support customers operating at the forefront of communications technology, where performance, reliability and specialist engineering capabilities are essential.
As demand increases for higher-capacity wireless networks, advanced defence systems and next-generation satellite communications, the need for specialist RF technologies is expected to continue growing.